Crash test on PG 9.0.4 with plpython.c backported from HEAD

gistfile1.txt

CREATE LANGUAGE
psql:crashtest.sql:5: NOTICE:  CREATE TABLE / PRIMARY KEY will create implicit index "foo_pkey" for table "foo"
CREATE TABLE
CREATE FUNCTION
 id | value 
----+-------
  1 |     2
(1 row)

ALTER TABLE
ALTER TABLE
UPDATE 1
psql:crashtest.sql:23: server closed the connection unexpectedly
        This probably means the server terminated abnormally
        before or while processing the request.
psql:crashtest.sql:23: connection to server was lost